<template>
    <el-row class="login-page">
    
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item prop="account">
                    <el-input :prefix-icon="User" placeholder="请输入账号" v-model="registerData.account"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item prop="rePassword">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码" v-model="registerData.rePassword"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="reg">
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false;clearRegisterData()">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" :model="registerData" :rules="rules" autocomplete="off" v-else>
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item prop="account">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.account"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true;clearRegisterData()">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
    height: 100vh;
    background-color: #fff;

    .bg {
        background: //url('@/assets/logo.ico') no-repeat 50% center / 440px auto,
            url('@/assets/bgi2.jpg') no-repeat center / cover;
        border-radius: 0 20px 20px 0;
    }

    .form {
        display: flex;
        flex-direction: column;
        justify-content: center;
        user-select: none;

        .title {
            margin: 0 auto;
        }

        .button {
            width: 100%;
        }

        .flex {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }
    }
}
</style>

<script  setup>
import axios from 'axios';
import router from '@/router';
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import { markRaw } from 'vue'


import { UserFilled } from '@element-plus/icons-vue'
import store from '@/store';
//控制注册与登录表单的显示， 默认显示注册
const form = ref(null);
const isRegister = ref(false)
const registerData = ref({
    account:'',
    password:'',
    rePassword:''
})
const checkRePassword = (rule,value,callback) =>{
    if(value == ''){
        callback(new Error('请再次确认密码'))
    }else if(value !== registerData.value.password) {
        callback(new Error('请确保两次输入的密码相同'))
    }else{
        callback()
    }
}
const rules = {
    account: [
                    {required: true, message: '请输入账号', trigger: 'blur'},
                    {min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur'},
                    //{validator:checkDuplicate,trigger: 'blur'}
        ],
        password: [
                      {required: true, message: '请输入密码', trigger: 'blur'},
                      {min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur'}
                    ],
        rePassword: [
            {validator:checkRePassword,trigger: 'blur'}
        ]
}
const clearRegisterData = () => {
    registerData.value = {
        account: '',
        password: '',
        rePassword: ''
    }
}

const reg = async () => {
  try {
    const res = await axios.post("/user/reg", {
      account: registerData.value.account,
      password: registerData.value.password,
    });

    if (res.data.code == 200) {
      ElMessageBox.confirm(
        '注册成功！立即登录吗?',
        '提示',
        {
          type: 'success',
          icon: markRaw(UserFilled),
          confirmButtonText: '确认',
          cancelButtonText: '取消',
        }
      ).then(() => {
        isRegister.value = false;
      });
    } else {
      alert("注册失败，请检查输入信息。");
    }
  } catch (error) {
    console.error(error);
  }
};

const login = () => {
    form.value.validate((valid) => {
        console.log(registerData.value);
                    if (valid) { //valid成功为true，失败为false
                        //去后台验证用户名密码
                        axios.get('/user/login?account='+registerData.value.account+'&password='+registerData.value.password)
                        .then(res=>res.data).then(res=>{
                            console.log(res)
                            if(res.code==200){
                                //存储
                                sessionStorage.setItem("CurUser",JSON.stringify(res.data.user))
                                console.log(res.data.menu)
                                store.commit("setMenu",res.data.menu)
                                console.log(store.getters.getMenu);
                                console.log(store.state.menu);
                                //跳转到主页
                                router.push('/myMenu');
                                
                            }else{
                                alert('校验失败，用户名或密码错误！');
                                return false;
                            }
                        });
                    } else {
                        console.log('校验失败');
                        return false;
                    }
                });
}
</script>